Figure 1: Exemplary TEM image and Pt particle size distribution of catalyst A; scale bar is 10 nm

Supporting Information

Boosting the Activity of Hydrogen Release from Liquid Organic Hydrogen

Carrier Systems by Sulfur-Additives to Pt on Alumina Catalysts

Franziska Auer1, Dominik Blaumeiser2, Tanja Bauer2, Andreas Bösmann1, Normen Szesni3, Jörg

Libuda2, Peter Wasserscheid1,2,4

1Lehrstuhl für Chemische Reaktionstechnik, Friedrich-Alexander-Universität Erlangen-Nürnberg,

Egerlandstraße 3, D-91058 Erlangen, Germany2Erlangen Catalysis Resource Center and Interdisciplinary Center for Interface-Controlled Processes,

Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany3Clariant Produkte Deutschland GmbH, 83052 Bruckmühl

4Forschungszentrum Jülich, „Helmholtz-Institute Erlangen-Nürnberg for Renewable Energies“ (IEK 11),

Egerlandstraße 3, D-91058 Erlangen, Germany

TEM analysis of applied Pt on alumina catalysts

Catalyst A

< 0,9 0,9 1,1 1,3 1,5 1,7 1,9 > 1,90,00

0,05

0,10

0,15

0,20

0,25

0,30

ratio

/ -

Pt particle size / nm

Mean Pt particle size: 1.26 nm

Electronic Supplementary Material (ESI) for Catalysis Science & Technology.This journal is © The Royal Society of Chemistry 2019

Figure 2: Exemplary TEM image and Pt particle size distribution of catalyst B; scale bar is 10 nm

Figure 3: Exemplary TEM image and Pt particle size distribution of catalyst C; scale bar is 10 nm

Catalyst B

< 0,9 0,9 1,1 1,3 1,5 1,7 1,9 > 1,90,0

0,1

0,2

0,3

0,4

0,5

ratio

/ -

Pt particle size / nm

Mean Pt particle size: 1.31 nm

Catalyst C

< 0,9 0,9 1,1 1,3 1,5 1,7 1,9 > 1,90,00

0,05

0,10

0,15

0,20

0,25

0,30

0,35

0,40

ratio

/ -

Pt particle size / nm

Mean Pt particle size: 1.44 nm

1H-NMR of the reaction evolution

Reaction start (0 min)

5 min

10 min

20 min

35 min

60 min

90 min

Figure 4: 1H-NMR spectra of the reaction evolution with catalyst A; experimental conditions: 583 K, 0.1 MPa, 2 h,

Argon atmosphere, 0.1 mol H18-DBT, 0.1 mol% n(Pt)/n(LOHC), Pt applied as 0.3 wt% Pt on alumina, 0.25 wt% S;1H-NMR spectrum of H0-DBT as reference.

120 min

H0-DBT